D3536AF is a high performance offline PSR
for low power AC/DC charger and adapter applications. It
operates in primary-side sensing and regulation. Thus,
opto-coupler and TL431 are not required.
the output current and power setting can
externally by the sense resistor R
control, multi-mode operations are utilized to achieve high
performance and high efficiency.
regulation is achieved by the built
compensation. D3536AF operates in PFM in CC mode,
and it operates in PWM+PFM in CV mode with frequency
reduction at light/medium load.
low operation current. It achieves less than 75mW
standby power to meet all global energy efficiency
regulations.
D3536AF offers comprehensive protection coverage with
auto-recovery feature including Cycle
limiting, VDD over voltage p
voltage protection, load short circuit
under voltage lockout (UVLO), OTP etc.
D3536AF is offered in SOP8 packages.
Application
Figure 1.Simplified Application of D3536AF
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General Description
is a high performance offline PSR power switch
for low power AC/DC charger and adapter applications. It
side sensing and regulation. Thus,
coupler and TL431 are not required. In CC control,
the output current and power setting can be adjusted
externally by the sense resistor RCS at CS PIN. In CV
mode operations are utilized to achieve high
erformance and high efficiency. In addition, good load
regulation is achieved by the built-in cable drop
perates in PFM in CC mode,
and it operates in PWM+PFM in CV mode with frequency
reduction at light/medium load. The chip consumes very
ation current. It achieves less than 75mW
ll global energy efficiency
offers comprehensive protection coverage with
recovery feature including Cycle-by-Cycle current
protection (OVP), FB over
short circuit protection, VDD